Here's what rhymes with acroterion.
ovarian carrion librarian clarion agrarian barbarian egalitarian proletarian sectarian libertarian authoritarian vegetarian trinitarian octogenarian sanitarian vulgarian cnidarian utilitarian totalitarian antiquarian communitarian veterinarian nonsectarian centenarian seminarian humanitarian parliamentarian nonagenarian disciplinarian latitudinarian valetudinarian sexagenarian septuagenarian Words that almost rhyme with acroterion
barium chameleon nobelium aquarium honorarium vivarium sanitarium planetarium ferryman ferrymen lesbian thespian pedestrian vestrymen vestryman equestrian